Q: Is 216,975 a Prime Number?
A: No, 216,975 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 216975 can be evenly divided by 1 3 5 11 15 25 33 55 75 165 263 275 789 825 1,315 2,893 3,945 6,575 8,679 14,465 19,725 43,395 72,325 and 216,975, with no remainder.
Since 216,975 cannot be divided by just 1 and 216,975, it is not a prime number.